/* ================================================
   ARKA PRO — style.css
   Sitio Web Corporativo · 2026
   Pure CSS. No frameworks.
   ================================================ */

/* ================================================
   1. TOKENS — Variables CSS
   ================================================ */
:root {
  /* Colores principales */
  --color-primary:       #2BA8B8;
  --color-primary-dark:  #1F8A99;
  --color-primary-light: #5FC4D2;
  --color-dark:          #2D4654;
  --color-dark-soft:     #3D5A6B;
  --color-text:          #5C6B73;
  --color-bg:            #FFFFFF;
  --color-bg-alt:        #F7F9FA;
  --color-border:        #E5EAED;

  /* Tipografía */
  --font-display: "Space Grotesk", sans-serif;
  --font-body:    "Inter", sans-serif;

  /* Espaciado */
  --section-pad:  clamp(64px, 8vw, 120px);
  --container-w:  1200px;
  --gutter:       clamp(1.25rem, 5vw, 3rem);
  --nav-h:        104px;

  /* Radios y sombras */
  --radius:    12px;
  --radius-sm:  8px;
  --shadow:     0 4px 24px rgba(45, 70, 84, 0.08);
  --shadow-md:  0 8px 40px rgba(45, 70, 84, 0.12);
  --shadow-lg:  0 16px 64px rgba(45, 70, 84, 0.16);

  /* Easings */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Colores de texto sobre fondos */
  --icon-bg: rgba(43, 168, 184, 0.10);
}

/* ================================================
   2. RESET & BASE
   ================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
ul, ol { list-style: none; padding: 0; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--color-dark);
}

::selection { background: var(--color-primary); color: #fff; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ================================================
   3. UTILIDADES
   ================================================ */
.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section-pad { padding-block: var(--section-pad); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--color-dark); color: #fff;
  border-radius: var(--radius-sm); font-weight: 600; font-size: .875rem;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* ================================================
   4. TIPOGRAFÍA
   ================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  background: currentColor;
  flex-shrink: 0;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.625rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--color-text);
  max-width: 56ch;
  line-height: 1.7;
}

/* ================================================
   5. COMPONENTES
   ================================================ */

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9375rem;
  letter-spacing: -0.01em;
  transition: all 0.22s var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(43,168,184,0.28);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

/* Etiqueta de tipo proyecto */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--icon-bg);
  color: var(--color-primary);
}

/* Estrellas */
.stars {
  display: flex;
  gap: 0.15rem;
  color: #F5C842;
  font-size: 1rem;
  margin-bottom: 1rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
/* Regla defensiva gotcha A.4.5 */
.reveal[data-split] {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ================================================
   6. NAVEGACIÓN
   ================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding-inline: var(--gutter);
  transition: background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.nav-inner {
  max-width: var(--container-w);
  width: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 120px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.3s;
}

.nav.is-scrolled .nav-logo img {
  filter: none;
}

.nav-links {
  display: none;
  gap: 2rem;
  align-items: center;
}
.nav-link {
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  transition: color 0.2s;
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: -3px; left: 0; right: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: right 0.25s var(--ease-out);
}
.nav-link:hover::after { right: 0; }
.nav-link:hover { color: #fff; }

.nav.is-scrolled .nav-link {
  color: var(--color-dark);
}
.nav.is-scrolled .nav-link:hover { color: var(--color-primary); }

.nav-cta {
  display: none;
  font-size: .875rem;
  padding: 0.625rem 1.25rem;
  border-radius: 100px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.nav.is-scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 0 var(--color-border), 0 4px 24px rgba(45,70,84,0.06);
}

/* Hamburguesa */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  padding: 4px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}
.nav.is-scrolled .nav-hamburger span { background: var(--color-dark); }

/* Overlay menú mobile */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--color-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}
.nav-overlay.is-open {
  opacity: 1;
  pointer-events: all;
  transform: none;
}
.nav-overlay-close {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 1.75rem;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  transition: color 0.2s, background 0.2s;
}
.nav-overlay-close:hover { color: #fff; background: rgba(255,255,255,0.14); }

.nav-overlay-link {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  letter-spacing: -0.03em;
  padding: 0.3rem 1rem;
  transition: color 0.2s;
  position: relative;
}
.nav-overlay-link:hover { color: var(--color-primary-light); }
.nav-overlay-cta {
  margin-top: 1.5rem;
  padding: 0.875rem 2.5rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s, transform 0.2s;
}
.nav-overlay-cta:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* ================================================
   7. HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  margin: 0;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(45, 70, 84, 0.90) 0%,
    rgba(45, 70, 84, 0.70) 45%,
    rgba(45, 70, 84, 0.38) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-block: clamp(3rem, 6vh, 6rem);
}

.hero-eyebrow {
  color: var(--color-primary-light);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px; height: 2px;
  background: var(--color-primary-light);
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(2.75rem, 5.5vw, 5.25rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.65;
  max-width: 56ch;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  z-index: 2;
}
.hero-scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  animation: scrollDrop 2.2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  80%  { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
  100% { transform: scaleY(0); transform-origin: top; opacity: 0; }
}

/* ================================================
   8. BANDA DE CREDENCIALES
   ================================================ */
.credentials {
  background: var(--color-bg);
  padding-block: clamp(3rem, 5vw, 5rem);
  border-bottom: 1px solid var(--color-border);
}
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.credentials-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.credentials-item:nth-child(2n) { border-right: none; }
.credentials-item:nth-last-child(-n+2) { border-bottom: none; }

.credentials-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}
.credentials-label {
  font-size: .875rem;
  color: var(--color-text);
  line-height: 1.4;
  max-width: 14ch;
  text-align: center;
}

/* ================================================
   9. QUIÉNES SOMOS
   ================================================ */
.about { background: var(--color-bg); }
.about-grid {
  display: grid;
  gap: 3rem;
}
.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.about-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-soft);
}
.about-image:hover img { transform: scale(1.03); }

.about-image::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius);
  opacity: 0;
  transform: translate(8px, 8px);
  transition: opacity 0.4s, transform 0.4s var(--ease-out);
  pointer-events: none;
}
.about-image:hover::after {
  opacity: 0.4;
  transform: translate(4px, 4px);
}

.about-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}
.about-content p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
}
.about-content p + p { margin-top: 0.75rem; }
.about-content .btn { align-self: flex-start; margin-top: 1rem; }

/* ================================================
   10. SERVICIOS
   ================================================ */
.services { background: var(--color-bg-alt); }

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}
.section-header.centered {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: 3rem;
}
.section-header.centered .eyebrow {
  justify-content: center;
}
.section-header.centered .section-subtitle {
  margin-inline: auto;
}

.services-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out), border-color 0.28s;
}
@media (hover: hover) {
  .service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(43,168,184,0.3);
  }
}

.service-icon {
  width: 52px; height: 52px;
  background: var(--icon-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}
.service-icon svg {
  width: 26px; height: 26px;
}

.service-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}
.service-text {
  font-size: .9rem;
  color: var(--color-text);
  line-height: 1.65;
}

/* ================================================
   11. INGENIERÍA DE ANTICIPACIÓN (MÉTODO)
   ================================================ */
.method {
  position: relative;
  background: var(--color-dark);
  overflow: hidden;
}

/* Triángulos decorativos de fondo */
.method::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpolygon points='40,8 72,68 8,68' fill='none' stroke='white' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  opacity: 0.035;
  pointer-events: none;
}

.method-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: 4rem;
}
.method-header .eyebrow { color: var(--color-primary-light); justify-content: center; }
.method-header .section-title { color: #fff; }
.method-lead {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  margin-bottom: 1rem;
}
.method-header p {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
}

.method-pillars {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  margin-bottom: 3.5rem;
}

.method-pillar {
  position: relative;
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  transition: background 0.28s, border-color 0.28s;
}
@media (hover: hover) {
  .method-pillar:hover {
    background: rgba(43,168,184,0.08);
    border-color: rgba(43,168,184,0.35);
  }
}

.method-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.05em;
  margin-bottom: 1rem;
  opacity: 0.8;
}
.method-pillar-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}
.method-pillar-text {
  font-size: .9rem;
  color: rgba(255,255,255,0.62);
  line-height: 1.7;
}

.method-cta {
  text-align: center;
}

/* ================================================
   12. PROYECTOS DESTACADOS
   ================================================ */
.projects { background: var(--color-bg); }

.projects-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-dark);
  cursor: pointer;
}

.project-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.project-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-soft);
}
.project-card:hover .project-img-wrap img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(43, 168, 184, 0.88);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-overlay-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
}
.project-overlay-meta {
  font-size: .825rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.25rem;
}
.project-overlay-btn {
  padding: 0.6rem 1.5rem;
  border: 2px solid #fff;
  border-radius: 100px;
  color: #fff;
  font-weight: 600;
  font-size: .85rem;
  transition: background 0.2s, color 0.2s;
}
.project-overlay-btn:hover {
  background: #fff;
  color: var(--color-primary);
}

.project-info {
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: none;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
}
.project-info-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}
.project-info-meta {
  font-size: .8rem;
  color: var(--color-text);
}

.projects-cta {
  text-align: center;
  margin-top: 3rem;
}

/* ================================================
   13. POR QUÉ ELEGIRNOS
   ================================================ */
.why-us { background: var(--color-bg-alt); }

.why-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.why-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
@media (hover: hover) {
  .why-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
  }
}

.why-icon {
  width: 44px; height: 44px;
  background: var(--icon-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.why-icon svg { width: 22px; height: 22px; }

.why-content {}
.why-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.35rem;
}
.why-text {
  font-size: .875rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* ================================================
   14. TESTIMONIOS
   ================================================ */
.testimonials { background: var(--color-bg); }

.testimonials-wrapper {
  position: relative;
}
.testimonials-track {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.testimonial-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1.5rem; right: 2rem;
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.12;
  pointer-events: none;
}

.testimonial-quote {
  font-size: .9375rem;
  color: var(--color-dark-soft);
  line-height: 1.75;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.testimonial-name {
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-dark);
}
.testimonial-location {
  font-size: .8rem;
  color: var(--color-text);
}

/* Carrusel mobile */
.testimonials-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}
.testimonials-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background 0.25s, transform 0.25s;
  cursor: pointer;
  border: none;
  padding: 0;
}
.testimonials-dot.is-active {
  background: var(--color-primary);
  transform: scale(1.2);
}

/* ================================================
   15. COBERTURA GEOGRÁFICA
   ================================================ */
.coverage { background: var(--color-bg-alt); }

.coverage-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.coverage-map-wrap {
  display: flex;
  justify-content: center;
}
.map-svg {
  max-width: 280px;
  width: 100%;
}

.coverage-content {}
.coverage-content .section-title { margin-bottom: 0.75rem; }
.coverage-content > p {
  font-size: .9375rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.coverage-regions {
  display: grid;
  gap: 1.5rem;
}
.coverage-region {}
.coverage-region-title {
  font-family: var(--font-display);
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.coverage-region-title::before {
  content: "";
  width: 18px; height: 2px;
  background: currentColor;
  flex-shrink: 0;
}
.coverage-communes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.commune-tag {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.2rem 0.75rem;
  font-size: .8rem;
  color: var(--color-text);
  transition: border-color 0.2s, color 0.2s;
}
.commune-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ================================================
   16. FORMULARIO DE COTIZACIÓN
   ================================================ */
.quote {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
}
.quote::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpolygon points='40,8 72,68 8,68' fill='none' stroke='white' stroke-width='0.8'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  opacity: 0.06;
  pointer-events: none;
}

.quote-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.quote-header .eyebrow { color: rgba(255,255,255,0.75); justify-content: center; }
.quote-header .eyebrow::before { background: rgba(255,255,255,0.75); }
.quote-header .section-title { color: #fff; }
.quote-header .section-subtitle { color: rgba(255,255,255,0.82); margin-inline: auto; }

.quote-form-wrap {
  background: #fff;
  border-radius: var(--radius);
  padding: clamp(2rem, 4vw, 3rem);
  max-width: 700px;
  margin-inline: auto;
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-dark);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .9375rem;
  color: var(--color-dark);
  background: var(--color-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43,168,184,0.15);
}
.form-input.has-error,
.form-select.has-error {
  border-color: #e53e3e;
}

.form-select-wrap {
  position: relative;
}
.form-select-wrap::after {
  content: "";
  position: absolute;
  right: 1rem; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--color-text);
  pointer-events: none;
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.field-error {
  font-size: .8rem;
  color: #e53e3e;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.22s, transform 0.22s, box-shadow 0.22s;
  margin-top: 0.5rem;
}
.form-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(43,168,184,0.28);
}
.form-note {
  font-size: .78rem;
  color: var(--color-text);
  text-align: center;
  margin-top: 1rem;
  line-height: 1.5;
}

/* ================================================
   17. FOOTER
   ================================================ */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
}

.footer-top {
  padding-block: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

.footer-logo {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
  margin-bottom: 1rem;
}
.footer-tagline {
  font-size: .9rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  max-width: 28ch;
  margin-bottom: 1.25rem;
}
.footer-social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.65);
  font-size: .875rem;
  transition: color 0.2s;
}
.footer-social svg { width: 18px; height: 18px; }
.footer-social:hover { color: var(--color-primary-light); }

.footer-col-title {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-link {
  font-size: .875rem;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--color-primary-light); }

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 1rem;
}
.footer-contact-label {
  font-size: .75rem;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer-contact-val {
  font-size: .875rem;
  color: rgba(255,255,255,0.75);
  transition: color 0.2s;
}
.footer-contact-val:hover { color: var(--color-primary-light); }

.footer-divider {
  height: 1px;
  background: rgba(255,255,255,0.07);
  border: none;
  margin: 0;
}

.footer-bottom {
  padding-block: 1.5rem;
}
.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}
.footer-copy {
  font-size: .8rem;
  color: rgba(255,255,255,0.35);
}

/* ================================================
   18. WHATSAPP FLOTANTE
   ================================================ */
.wa-btn {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 900;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out), box-shadow 0.25s;
  cursor: pointer;
  text-decoration: none;
}
.wa-btn.is-visible {
  opacity: 1;
  transform: scale(1);
}
.wa-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37,211,102,0.5);
}
.wa-btn::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,0.4);
  animation: waPulse 2.5s ease-out infinite;
}
@keyframes waPulse {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}
.wa-btn svg { width: 30px; height: 30px; }

/* ================================================
   19. HERO CORTO (proyectos / contacto)
   ================================================ */
.hero-short {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 3rem;
  padding-top: calc(var(--nav-h) + 3rem);
  overflow: hidden;
}
.hero-short-bg {
  position: absolute;
  inset: 0;
  margin: 0;
}
.hero-short-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.hero-short-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(45,70,84,0.85) 0%, rgba(45,70,84,0.55) 100%);
}
.hero-short-content {
  position: relative;
  z-index: 2;
}
.hero-short-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: .85rem;
  color: rgba(255,255,255,0.6);
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--color-primary-light); }
.breadcrumb-sep { opacity: 0.4; }

/* ================================================
   20. PÁGINA DE PROYECTOS — filtros y lightbox
   ================================================ */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all 0.2s var(--ease-out);
  cursor: pointer;
}
.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(45,70,84,0.92);
}
.lightbox-inner {
  position: relative;
  z-index: 1;
  background: var(--color-bg);
  border-radius: var(--radius);
  max-width: 840px;
  width: calc(100% - 2rem);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute;
  top: 1rem; right: 1rem;
  z-index: 10;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(45,70,84,0.1);
  color: var(--color-dark);
  font-size: 1.25rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.lightbox-close:hover { background: rgba(45,70,84,0.18); }

.lightbox-gallery {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--color-dark);
}
.lightbox-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
}
.lightbox-slide.is-active { opacity: 1; }
.lightbox-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.lightbox-info {
  padding: 1.75rem;
}
.lightbox-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.35rem;
}
.lb-meta {
  font-size: .85rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.lb-desc {
  font-size: .9375rem;
  color: var(--color-text);
  line-height: 1.7;
}
.lightbox-nav {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  display: flex; gap: 0.5rem;
}
.lb-prev, .lb-next {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  color: #fff;
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,0.28); }

/* ================================================
   21. PÁGINA DE CONTACTO
   ================================================ */
.contact-grid { display: grid; gap: 3rem; }
.contact-cards { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s var(--ease-out);
}
@media (hover: hover) {
  .contact-card:hover {
    border-color: rgba(43,168,184,0.35);
    transform: translateY(-2px);
  }
}
.contact-card-icon {
  width: 44px; height: 44px;
  background: var(--icon-bg);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-card-icon svg { width: 22px; height: 22px; }
.contact-card-title {
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.2rem;
}
.contact-card-val {
  font-size: .875rem;
  color: var(--color-primary);
  font-weight: 500;
}
.contact-card-note {
  font-size: .8rem;
  color: var(--color-text);
  margin-top: 0.15rem;
}
.contact-card-btn {
  margin-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  background: #25D366;
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  transition: background 0.2s;
}
.contact-card-btn:hover { background: #1fb558; }

/* ================================================
   22. PÁGINA DE GRACIAS
   ================================================ */
.thanks-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: var(--section-pad);
}
.thanks-inner { max-width: 520px; }
.thanks-icon {
  width: 80px; height: 80px;
  background: rgba(43,168,184,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  color: var(--color-primary);
}
.thanks-icon svg { width: 40px; height: 40px; }
.thanks-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 1rem;
  color: var(--color-dark);
}
.thanks-text {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* ================================================
   23. PAGE TRANSITIONS (View Transitions API)
   ================================================ */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.4s;
  animation-timing-function: var(--ease-out);
}
::view-transition-old(root) { animation-name: vtFadeOut; }
::view-transition-new(root) { animation-name: vtFadeIn; }
@keyframes vtFadeOut { to { opacity: 0; transform: translateY(-8px); } }
@keyframes vtFadeIn { from { opacity: 0; transform: translateY(8px); } }

/* ================================================
   24. RESPONSIVE — mobile-first
   ================================================ */

/* 540px — teléfono grande */
@media (min-width: 540px) {
  .credentials-grid { grid-template-columns: repeat(4, 1fr); }
  .credentials-item {
    border-bottom: none;
    border-right: 1px solid var(--color-border);
  }
  .credentials-item:last-child { border-right: none; }

  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 720px — tablet portrait */
@media (min-width: 720px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-hamburger { display: none; }

  .about-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .about-image { aspect-ratio: 3/4; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }

  .method-pillars { grid-template-columns: repeat(2, 1fr); }

  .testimonials-track {
    grid-template-columns: repeat(3, 1fr);
  }
  .testimonials-dots { display: none; }

  .coverage-grid { grid-template-columns: 1fr 1.5fr; }
  .coverage-regions { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr 1fr; }

  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .form-field.full-width { grid-column: 1 / -1; }
}

/* 960px — tablet landscape */
@media (min-width: 960px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }

  .method-pillars { grid-template-columns: repeat(4, 1fr); }

  .projects-grid { grid-template-columns: repeat(3, 1fr); }

  .why-grid { grid-template-columns: repeat(3, 1fr); }

  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
  .footer-bottom-inner { flex-direction: row; justify-content: space-between; }

  .coverage-regions { grid-template-columns: 1fr 1fr; }
}

/* 1280px — desktop */
@media (min-width: 1280px) {
  .hero-content { max-width: 720px; }
  .about-image { aspect-ratio: 9/11; }
}

/* ================================================
   25. REDUCED MOTION — solo efectos intrusivos
   ================================================ */
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-line,
  .wa-btn::before {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}